Lead Software Developer

Atos SE; Greater London; On-site; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Pension scheme

Private medical cover

Income protection

Life assurance

25 days paid leave + holidays

Flex benefits program

Job summary

Atos is seeking a senior software engineering leader to design, develop, and deliver scalable full‑stack cloud-native solutions in the UK. You will mentor engineers, drive DevOps practices, and collaborate with architects, product managers, and clients to ensure technical excellence and delivery alignment with business goals.

The role requires extensive TypeScript/Node.js experience, AWS expertise, and a track record in delivering complex services within regulated environments.

Qualifications

• Extensive experience developing cloud-native applications using TypeScript and Node.js.
• Experience designing RESTful APIs and event-driven architectures.
• Strong knowledge of AWS services (Lambda, SQS, S3, RDS, DynamoDB, CloudWatch) and Terraform.
• Experience with CI/CD pipelines and modern testing practices.
• Experience delivering services in UK Public Sector or Gov Digital Service environments.

Responsibilities

• Lead design, development, and delivery of scalable full-stack solutions.
• Provide technical direction and mentoring to engineers.
• Promote engineering best practices, DevOps, and automated testing.

Skills

TypeScript

Node.js

REST APIs

AWS

Terraform

PostgreSQL

CI/CD

React

Java

Scala

GDS UK

Tools

Jira

Slack

Microsoft Teams

Figma

Job description

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Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 54,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand. A trusted partner in operating complex and mission‑critical environments, Atos supports organizations across highly regulated and sovereign contexts.

Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

About DAS:

DAS is the Digital Application Services function, focused on delivering and supporting the applications, platforms and digital capabilities that enable effective business operations and service delivery. The function plays a key role in modernising services, improving resilience and performance, and ensuring business teams have the technology and tools they need to operate efficiently. DAS works across business and technology teams to shape, deliver and continuously improve digital solutions that are robust, scalable and aligned to organisational priorities.

Key Responsibilities

Technical Leadership

• Lead the design, development, and delivery of scalable full-stack solutions.
• Provide technical direction, coaching, and mentoring to engineers within the team.
• Promote engineering best practices, coding standards, and knowledge sharing.
• Drive technical decision-making and support technology selection across the delivery lifecycle.
• Champion modern software engineering approaches, including DevOps, automated testing, and continuous delivery.

Solution Delivery

• Plan and lead the implementation of complex features and related user stories.
• Work collaboratively with architects, product managers, business analysts, testers, and client stakeholders to define and deliver solutions.
• Take ownership of technical delivery and ensure alignment with business and user needs.
• Contribute to sprint planning, estimation, backlog refinement, and technical design discussions.
• Participate in release planning, deployment activities, and production support.
• Take responsibility for the production services developed by the team.
• Improve system robustness, resilience, observability, performance, and operational stability.
• Conduct code reviews and provide quality assurance for work in progress.
• Troubleshoot complex technical issues and drive root cause analysis.
• Identify opportunities for automation and continuous improvement across the service.

Stakeholder Engagement

• Build strong working relationships with stakeholders and delivery partners.
• Participate in show-and-tell sessions, demonstrations, and technical workshops.
• Contribute to the wider engineering and developer communities.
• Communicate technical concepts effectively to both technical and non-technical audiences.

Essential Skills & Experience

Software Engineering

• Extensive experience developing cloud-native applications using TypeScript and Node.js.
• Strong understanding of full-stack software development principles and modern engineering practices.
• Experience designing and implementing RESTful APIs and event-driven architectures.
• Strong knowledge of object-oriented and functional programming concepts.
• Experience with CI/CD tools, containerization technologies, frontend frameworks such as React, and advanced Java frameworks including Spring and Hibernate.
• Proven experience working with AWS services including:
• Lambda
• SQS
• S3
• RDS
• DynamoDB
• CloudWatch
• Experience with Infrastructure as Code using Terraform.
• Strong understanding of cloud security, scalability, reliability, and operational excellence.

Data & Integration

• Experience working with PostgreSQL and relational database design.
• Knowledge of data modelling, performance optimisation, and database management.
• Experience integrating services across complex enterprise environments.
• Experience working in Agile, multidisciplinary delivery teams.
• Strong client-facing communication and stakeholder management skills.
• Experience using collaboration and delivery tools such as:
• Jira
• Slack
• Microsoft Teams
• Figma
• Experience with Scala and/or Java development.
• Experience delivering services within the UK Public Sector or Government Digital Service (GDS) environments.
• Familiarity with Government Technology Code of Practice and Service Standards.
• Experience with CI/CD pipelines and automated testing frameworks.
• Knowledge of monitoring, observability, and operational support practices in production environments.
• Experience leading distributed or multi-supplier teams.
• Pension Scheme - contributions matched up to 10%
• Private medical cover
• Income Protection
• Life Assurance
• 25 days paid leave + National Holidays
• Flex benefits program

Please note eligibility for SC clearance is essential for this role.

As a Disability Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs.

We are a care leaver friendly employer, if you require additional support with your application, please contact our recruiter or send an email to our dedicated [e-mail]. If you have any questions, please contact our recruitment partnerMeyeppan M on LinkedIn.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.